trim versions and hashes

bubble-server/src/main/java/bubble/service/packer/PackerJob.java

@@ -313,7 +313,7 @@ public class PackerJob implements Callable<List<PackerImage>> {
         final String version = packerService.getSoftwareVersion(roleName);
         vars.put(roleName, version);
 
-        final String hash = url2string(releaseUrlBase+"/"+version+"/"+roleName+".zip.sha256");
+        final String hash = url2string(releaseUrlBase+"/"+version+"/"+roleName+".zip.sha256").trim();
         String varsData = roleName+"_sha256 : '"+hash+"'\n"
                 + roleName+"_version : '" + version + "'\n";
 

bubble-server/src/main/java/bubble/service/packer/PackerService.java

@@ -122,7 +122,7 @@ public class PackerService {
         final String releaseUrlBase = configuration.getReleaseUrlBase();
         return softwareVersions.computeIfAbsent(roleName, r -> {
             try {
-                return url2string(releaseUrlBase+"/"+r+"/latest.txt");
+                return url2string(releaseUrlBase+"/"+r+"/latest.txt").trim();
             } catch (IOException e) {
                 return die("getSoftwareVersion("+r+"): "+shortError(e), e);
             }